$.ajaxPrefilter(function (options) {
    options.url = `http://api-breakingnews-web.itheima.net${options.url}`
    if (options.url.indexOf('/my/') !== -1) {
        options.headers = {
          Authorization: localStorage.getItem('token') || ''
        }
      }
      options.complete=function(res){
        if(res.responseJSON.status===1&&res.responseJSON.message==='身份验证失败'){
            localStorage.removeItem('token')
            location.href='/login.html'
        }
      }
})